Energy definitions and heat Transfer

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What is conduction?

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Conduction is the transfer of heat through direct contact between materials. It occurs when faster-moving particles collide with slower-moving ones, transferring energy.

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What is convection?

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Convection is the transfer of heat through the movement of fluids (liquids or gases). It occurs when warmer, less dense fluid rises and cooler, denser fluid sinks, creating a circulation pattern.

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What is radiation?

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Radiation is the transfer of heat in the form of electromagnetic waves. It does not require a medium to travel through, allowing heat to be transferred through empty space.

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What are conductors?

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Conductors are materials that allow heat and electricity to flow through them easily. Examples include metals like copper, aluminum, and silver.

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What are insulators?

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Insulators are materials that do not allow heat or electricity to flow through them easily. Examples include rubber, glass, and wood.

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What is energy transformation?

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Energy transformation is the process of changing energy from one form to another, such as converting electrical energy into thermal energy.

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What is thermal energy?

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Thermal energy is the total kinetic energy of particles in a substance, which is related to its temperature.

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What is the difference between heat and temperature?

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Heat is the energy transferred between substances due to a temperature difference, while temperature is a measure of the average kinetic energy of particles in a substance.

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What is specific heat capacity?

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Specific heat capacity is the amount of heat required to raise the temperature of one kilogram of a substance by one degree Celsius.

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What is the principle of heat transfer?

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The principle of heat transfer states that heat flows from areas of higher temperature to areas of lower temperature until thermal equilibrium is reached.

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